{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "RNA", "cell type", "DNA"], "input": "A DNA probe that spanned a domain conserved among the proto-oncogene c-rel , the Drosophila morphogen dorsal , and the p50 DNA binding subunit of NF-kappa B was generated from Jurkat T cell complementary DNA with the polymerase chain reaction ( PCR ) and degenerate oligonucleotides ."}
{"cell line": [], "protein": ["Drosophila morphogen dorsal", "p50", "p50 DNA binding subunit", "NF-kappa B"], "RNA": [], "cell type": [], "DNA": ["DNA probe", "proto-oncogene c-rel", "Jurkat T cell complementary DNA"]}